Add warning admonition on working with local data. (#143)

Author: Gerrit91

README.md

@@ -8,6 +8,9 @@ Underneath it creates a LVM logical volume on the local disks. A comma-separated
 
 This CSI driver is derived from [csi-driver-host-path](https://github.com/kubernetes-csi/csi-driver-host-path) and [csi-lvm](https://github.com/metal-stack/csi-lvm)
 
+> [!WARNING]
+> Note that there is always an inevitable risk of data loss when working with local volumes. For this reason, be sure to back up your data or implement proper data replication methods when using this CSI driver.
+
 ## Currently it can create, delete, mount, unmount and resize block and filesystem volumes via lvm ##
 
 For the special case of block volumes, the filesystem-expansion has to be performed by the app using the block device

charts/csi-driver-lvm/values.yaml

@@ -62,9 +62,9 @@ nodeSelector:
   # so it is not necessary to set a nodeSelector for it
 
   # plugin:
-  # node-role.kubernetes.io/master: ""
-  # Key name may need to be updated to 'node-role.kubernetes.io/control-plane'
-  # in the future
+  #   node-role.kubernetes.io/master: ""
+  #   # Key name may need to be updated to 'node-role.kubernetes.io/control-plane'
+  #   # in the future
 
   # The provisioner has an affinity for nodes with a plugin pod,
   # but since that's a daemonset, we allow more fine-grained node selection